The PA-28 Black Valve Stem Cup Seal is not available as an individual part. Sorry! When you order this item we're going to send you a Complete #98-PL Cup Seal & Stem Assembly.
Cup Seal - Black on the Tippmann Model 98 DiagramValve Stem Cup Seal on the Tippmann Gryphon Diagram 2010-08-22
Cup Seal - Black on the Tippmann Pro-Carbine Diagram
Cup Seal - Black on the Tippmann A-5 Basic Diagram v2 2009-08-06
Valve Stem Cup Seal on the Tippmann Cronus Diagram (1 of 2)
Valve Stem Cup Seal on the Tippmann TMC 68Cal Manual 2018-04
Cup Seal - Black on the Tippmann 98 Custom Diagram - Push Sear Style - Non ACT 2006-08-06
Valve Stem Cup Seal on the Tippmann FT-50 Lite Diagram and Parts List
Valve Stem Cup Seal on the Tippmann Vantage Diagram